Part support tool



FIG. 1 is a front elevational view of a part support tool showing my new design;

FIG. 2 is a rear elevatonal view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken line showing of a connecting portion of the part support tool is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a part support tool, as shown and described. 